<template>
  <div class="app-container">
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <span class="el-icon-document">基础信息</span>
        <el-button style="float: right;" type="primary" @click="goBack">返回</el-button>
      </div>

      <!--流程处理表单模块-->
      <el-col v-if="variableOpen" :span="16" :offset="6">
        <div>
          <parser :key="new Date().getTime()" :form-conf="variablesData" />
        </div>
        <div v-if="!flowFinished && currentTaskUsers.includes(username)" style="margin-left:10%;margin-bottom: 20px;font-size: 14px;">
          <el-button icon="el-icon-edit-outline" type="success" size="mini" @click="handleComplete">审批</el-button>
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleDelegate">委派</el-button>-->
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleAssign">转办</el-button>-->
          <!--                <el-button  icon="el-icon-edit-outline" type="primary" size="mini" @click="handleDelegate">签收</el-button>-->
          <el-button icon="el-icon-refresh-left" type="warning" size="mini" @click="handleReturn">退回</el-button>
          <el-button icon="el-icon-circle-close" type="danger" size="mini" @click="handleReject">驳回</el-button>
          <el-button icon="el-icon-circle-close" type="danger" size="mini" @click="handleRefuse">拒绝</el-button>
        </div>
      </el-col>

      <!--初始化流程/申请人重新提交加载表单信息-->
      <el-col v-if="formConfOpen" :span="16" :offset="4">
        <div class="test-form">
          <parser :key="new Date().getTime()" ref="parser" :form-conf="formConf" @submit="submitForm" @getData="getData" />
        </div>
      </el-col>
    </el-card>

    <!--流程流转记录-->
    <el-card v-if="flowRecordList" class="box-card">
      <div slot="header" class="clearfix">
        <span class="el-icon-notebook-1">审批记录</span>
      </div>
      <el-col :span="16" :offset="4">
        <div class="block">
          <el-timeline>
            <el-timeline-item
              v-for="(item,index ) in flowRecordList"
              :key="index"
              :icon="setIcon(item.finishTime)"
              :color="setColor(item.finishTime)"
            >
              <p style="font-weight: 700">{{ item.taskName }}</p>
              <el-card :body-style="{ padding: '10px' }">
                <label v-if="item.assigneeName" style="font-weight: normal;margin-right: 30px;">实际办理： {{ item.assigneeName }} <el-tag type="info" size="mini">{{ item.deptName }}</el-tag></label>
                <label v-if="item.candidate" style="font-weight: normal;margin-right: 30px;">候选办理： {{ item.candidate }}</label>
                <label style="font-weight: normal">接收时间： </label><label style="color:#8a909c;font-weight: normal">{{ item.createTime }}</label>
                <label v-if="item.finishTime" style="margin-left: 30px;font-weight: normal">办结时间： </label><label style="color:#8a909c;font-weight: normal">{{ item.finishTime }}</label>
                <label v-if="item.duration" style="margin-left: 30px;font-weight: normal">耗时： </label><label style="color:#8a909c;font-weight: normal">{{ item.duration }}</label>

                <p v-if="item.comment">
                  <el-tag v-if="item.comment.type === '1'" type="success">  {{ item.comment.comment }}</el-tag>
                  <el-tag v-if="item.comment.type === '2'" type="warning">已退回: {{ item.comment.comment }}</el-tag>
                  <el-tag v-if="item.comment.type === '3'" type="danger">已驳回:  {{ item.comment.comment }}</el-tag>
                  <el-tag v-if="item.comment.type === '6'" type="danger">已拒绝:  {{ item.comment.comment }}</el-tag>
                  <el-tag v-if="item.comment.type === '9'" type="danger">已终止:  {{ item.comment.comment }}</el-tag>
                </p>
              </el-card>
            </el-timeline-item>
          </el-timeline>
        </div>
      </el-col>
    </el-card>
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <span class="el-icon-picture-outline">流程图</span>
      </div>
      <flow :xml-data="xmlData" :task-data="taskList" />
    </el-card>

    <!--审批正常流程-->
    <el-dialog :title="completeTitle" :visible.sync="completeOpen" :width="checkSendUser? '60%':'40%'" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px">
        <el-form-item v-if="checkSendUser" prop="targetKey">
          <!--          <selectUser :task-form="taskForm" />-->
          <selectUser @setSelectEvent="handleCheckChange" />
        </el-form-item>
        <el-form-item label="处理意见" prop="comment" :rules="[{ required: true, message: '请输入处理意见', trigger: 'blur' }]">
          <el-input v-model="taskForm.comment" type="textarea" placeholder="请输入处理意见" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="completeOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskComplete">确 定</el-button>
      </span>
    </el-dialog>

    <!--退回流程-->
    <el-dialog :title="returnTitle" :visible.sync="returnOpen" width="40%" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px">
        <el-form-item label="退回节点" prop="targetKey">
          <el-radio-group v-model="taskForm.targetKey">
            <el-radio-button
              v-for="item in returnTaskList"
              :key="item.id"
              :label="item.id"
            >{{ item.name }}</el-radio-button>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="退回意见" prop="comment" :rules="[{ required: true, message: '请输入意见', trigger: 'blur' }]">
          <el-input v-model="taskForm.comment" style="width: 50%" type="textarea" placeholder="请输入意见" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="returnOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskReturn">确 定</el-button>
      </span>
    </el-dialog>

    <!--驳回流程-->
    <el-dialog :title="rejectTitle" :visible.sync="rejectOpen" width="40%" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px">
        <el-form-item label="驳回意见" prop="comment" :rules="[{ required: true, message: '请输入意见', trigger: 'blur' }]">
          <el-input v-model="taskForm.comment" style="width: 50%" type="textarea" placeholder="请输入意见" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="rejectOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskReject">确 定</el-button>
      </span>
    </el-dialog>
    <!--拒绝流程-->
    <el-dialog :title="refuseTitle" :visible.sync="refuseOpen" width="40%" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px">
        <el-form-item label="拒绝意见" prop="comment" :rules="[{ required: true, message: '请输入意见', trigger: 'blur' }]">
          <el-input v-model="taskForm.comment" style="width: 50%" type="textarea" placeholder="请输入意见" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="refuseOpen = false">取 消</el-button>
        <el-button type="primary" @click="taskRefuse">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { flowRecord } from '@/api/flowable/finished'
import Parser from '@/components/parser/Parser'
import { definitionStart, getProcessVariables, readXml, getFlowViewer } from '@/api/flowable/definition'
import { complete, rejectTask, refuseTask, returnList, returnTask, getNextFlowNode, delegate, assignTask } from '@/api/flowable/todo'
import flow from '@/views/flowable/task/record/flow'
import selectUser from '@/views/components/selectUser'
export default {
  name: 'Record',
  components: {
    Parser,
    flow,
    selectUser
  },
  props: {},
  data() {
    return {
      // 模型xml数据
      xmlData: '',
      taskList: [],
      // 遮罩层
      loading: true,
      flowRecordList: [], // 流程流转数据
      formConfCopy: {},
      src: null,
      rules: {}, // 表单校验
      variablesForm: {}, // 流程变量数据
      taskForm: {
        returnTaskShow: false, // 是否展示回退表单
        delegateTaskShow: false, // 是否展示回退表单
        defaultTaskShow: true, // 默认处理
        sendUserShow: false, // 审批用户
        multiple: false,
        comment: '', // 意见内容
        procInsId: '', // 流程实例编号
        instanceId: '', // 流程实例编号
        deployId: '', // 流程定义编号
        taskId: '', // 流程任务编号
        procDefId: '', // 流程编号
        vars: '',
        targetKey: ''
      },
      username: '',
      currentTaskUsers: [], // 当前流程任务处理人
      userDataList: [], // 流程候选人
      assignee: null,
      formConf: {}, // 默认表单数据
      formConfOpen: false, // 是否加载默认表单数据
      variables: [], // 流程变量数据
      variablesData: {}, // 流程变量数据
      variableOpen: false, // 是否加载流程变量数据
      returnTaskList: [], // 回退列表数据
      reApply: false,
      completeTitle: null,
      completeOpen: false,
      returnTitle: null,
      refuseOpen: false,
      returnOpen: false,
      rejectOpen: false,
      rejectTitle: null,
      refuseTitle: null,
      flowFinished: true,
      checkSendUser: false, // 是否展示选择人员模块
      checkSendRole: false // 是否展示选择角色模块
    }
  },
  // created() {
  //   this.init()
  // },
  activated() {
    this.init()
  },

  mounted() {
    // // 表单数据回填，模拟异步请求场景
    // setTimeout(() => {
    //   // 请求回来的表单数据
    //   const data = {
    //     field102: '18836662555'
    //   }
    //   // 回填数据
    //   this.fillFormData(this.formConf, data)
    //   // 更新表单
    //   this.key = +new Date().getTime()
    // }, 1000)
  },
  methods: {
    /** xml 文件 */
    getModelDetail(deployId) {
      // 发送请求，获取xml
      readXml(deployId).then(res => {
        this.xmlData = res.data
      })
    },

    async getFlowViewer(procInsId) {
      if (procInsId) {
        await getFlowViewer(procInsId).then(res => {
          const datas = []
          const lastData = res.data[res.data.length - 1]
          this.flowFinished = lastData.completed.toString() === 'true'
          for (let i = 0; i < res.data.length; i++) {
            if (res.data[i].key === lastData.key && i !== res.data.length - 1) {
              datas.push(lastData)
              break
            } else {
              datas.push(res.data[i])
            }
          }
          this.taskList = datas
        })
      } else {
        this.taskList = []
      }
    },
    setIcon(val) {
      if (val) {
        return 'el-icon-check'
      } else {
        return 'el-icon-time'
      }
    },
    setColor(val) {
      if (val) {
        return '#2bc418'
      } else {
        return '#b3bdbb'
      }
    },
    async init() {
      this.taskForm.deployId = this.$route.query && this.$route.query.deployId
      this.taskForm.taskId = this.$route.query && this.$route.query.taskId
      this.taskForm.procInsId = this.$route.query && this.$route.query.procInsId
      this.taskForm.instanceId = this.$route.query && this.$route.query.procInsId
      this.username = localStorage.getItem('username')
      // 初始化表单
      this.taskForm.procDefId = this.$route.query && this.$route.query.procDefId
      // 是否处理流程
      // this.processing = this.$route.query && this.$route.query.processing

      // this.taskForm.deployId = this.$route.params && this.$route.params.deployId
      // this.taskForm.taskId = this.$route.params && this.$route.params.taskId
      // this.taskForm.procInsId = this.$route.params && this.$route.params.procInsId
      // this.taskForm.instanceId = this.$route.params && this.$route.params.procInsId
      // // 初始化表单
      // this.taskForm.procDefId = this.$route.params && this.$route.params.procDefId
      // // 是否处理流程
      // this.processing = this.$route.params && this.$route.params.processing
      if (this.reApply === undefined) { this.reApply = false }
      // 回显流程记录
      await this.getFlowViewer(this.taskForm.procInsId)
      this.getModelDetail(this.taskForm.deployId)
      this.getFlowRecordList(this.taskForm.procInsId, this.taskForm.deployId)
      // 流程任务重获取变量表单
      if (this.taskForm.taskId) {
        this.processVariables(this.taskForm.taskId)
        this.getNextFlowNode(this.taskForm.taskId)
        this.taskForm.deployId = null
      }
    },
    /** 流程变量赋值 */
    handleCheckChange(val) {
      if (val instanceof Array) {
        this.taskForm.values = {
          'approval': val.join(',')
        }
      } else {
        this.taskForm.values = {
          'approval': val
        }
      }
    },
    /** 流程流转记录 */
    getFlowRecordList(procInsId, deployId) {
      const params = { procInsId: procInsId, deployId: deployId }
      flowRecord(params).then(res => {
        // 流程过程中不存在初始化表单 直接读取的流程变量中存储的表单值
        if (res.data['formData'] && !res.data['flowList']) {
          this.flowRecordList = []
          // 设置变量不可见，变量数据清空
          this.variablesData = []
          this.variableOpen = false
          this.formConf = res.data['formData']
          this.formConfOpen = true
        }
        if (res.data['flowList']) {
          this.flowRecordList = res.data['flowList']
          this.currentTaskUsers = []
          for (var key in this.flowRecordList) {
            if (this.flowRecordList[key]['finishTime'] === undefined || this.flowRecordList[key]['finishTime'] === null) {
              var assigneeUserName = this.flowRecordList[key]['assigneeUserName']
              if (assigneeUserName) {
                var UserNameArr = assigneeUserName.split(',')
                UserNameArr.forEach(item => { this.currentTaskUsers.push(item) })
              }
            }
          }
          this.reApply = this.flowRecordList[0].taskName === '申请人'
        }
      }).catch(res => {
        console.log('getFlowRecordList error: ' + res.toString())
        this.goBack()
      })
    },
    fillFormData(form, data) {
      form.fields.forEach(item => {
        const val = data[item.__vModel__]
        if (val) {
          item.__config__.defaultValue = val
        }
      })
    },
    /** 获取流程变量内容 */
    processVariables(taskId) {
      if (taskId) {
        // 提交流程申请时填写的表单存入了流程变量中后续任务处理时需要展示
        getProcessVariables(taskId).then(res => {
          // 设置初始化表单不可见，初始化表单数据清空 申请人可以修改表单
          if (this.reApply && !this.flowFinished) {
            this.formConf = res.data.variables
            this.formConf.disabled = false
            formConf.fields.forEach(item => {
              if (item.__config__.tag === 'editorview') {
                item.props.readonly = false
              }
            })
            this.formConf.formBtns = true
            this.formConfOpen = true

            this.variablesData = []
            this.variableOpen = false
          } else {
            this.formConf = []
            this.formConfOpen = false

            this.variablesData = res.data.variables
            this.variableOpen = true
          }
        })
      }
    },
    /** 根据当前任务或者流程设计配置的下一步节点 */
    getNextFlowNode(taskId) {
      if (!this.flowFinished) {
        // 根据当前任务或者流程设计配置的下一步节点 todo 暂时未涉及到考虑网关、表达式和多节点情况
        const params = { taskId: taskId }
        getNextFlowNode(params).then(res => {
          const data = res.data
          if (data) {
            this.checkSendUser = true
            this.checkSendRole = false
            if (data.type === 'assignee') { // 指定人员
              this.userDataList = res.data.userList
            } else if (data.type === 'candidateUsers') { // 指定人员(多个)
              this.userDataList = res.data.userList
              this.taskForm.multiple = true
            } else if (data.type === 'candidateGroups') { // 指定组(所属角色接收任务)
              this.checkSendUser = false
              this.checkSendRole = true
              res.data.roleList.forEach(role => {
                role.userId = role.roleId
                role.nickName = role.roleName
              })
              this.userDataList = res.data.roleList
              this.taskForm.multiple = false
            } else if (data.type === 'multiInstance') { // 会签?
              this.userDataList = res.data.userList
              this.taskForm.multiple = true
            } else if (data.type === 'fixed') { // 已经固定人员接收下一任务
              this.checkSendUser = false
            }
          }
        })
      }
    },
    /** 审批任务选择 */
    handleComplete() {
      this.completeOpen = true
      this.completeTitle = '审批流程'
    },

    /** 审批任务 */
    taskComplete() {
      if (!this.taskForm.values && this.checkSendUser) {
        this.$message.warning('请选择流程接收人员')
        return
      }
      if (!this.taskForm.comment) {
        this.$message.warning('请输入审批意见')
        return
      }
      // 默认设置管理员为候选组
      if (this.checkSendRole) {
        this.taskForm.values = {
          'approval': 4
        }
      }
      complete(this.taskForm).then(response => {
        this.$message.success(response.msg)
        this.goBack()
      })
    },
    /** 委派任务 */
    handleDelegate() {
      this.taskForm.delegateTaskShow = true
      this.taskForm.defaultTaskShow = false
    },
    handleAssign() {

    },
    /** 返回页面 */
    goBack() {
      // 关闭当前标签页并返回上个页面
      this.$store.dispatch('tagsView/delView', this.$route)
      this.$router.go(-1)
    },
    /** 接收子组件传的值 */
    getData(data) {
      if (data) {
        const variables = []
        data.fields.forEach(item => {
          const variableData = {}
          variableData.label = item.__config__.label
          // 表单值为多个选项时
          if (item.__config__.defaultValue instanceof Array) {
            const array = []
            item.__config__.defaultValue.forEach(val => {
              array.push(val)
            })
            variableData.val = array
          } else {
            variableData.val = item.__config__.defaultValue
          }
          variables.push(variableData)
        })
        this.variables = variables
      }
    },

    /** 申请流程/重新提交流程表单数据提交 */
    submitForm(data) {
      if (data) {
        const variables = data.valData
        const formData = data.formData
        // console.log(formData)
        formData.disabled = true
        formData.fields.forEach(item => {
          if (item.__config__.tag === 'editorview') {
            item.props.readonly = true
          }
        })
        formData.formBtns = false
        variables.variables = formData
        if (this.taskForm.procDefId) {
          // 启动流程并将表单数据加入流程变量
          definitionStart(this.taskForm.procDefId, JSON.stringify(variables)).then(res => {
            this.$message.success(res)
            this.goBack()
          })
        } else if (this.reApply) {
          this.taskForm.comment = '重新提交申请'
          this.taskForm.values = variables
          complete(this.taskForm).then(response => {
            this.$message.success(response.msg)
            this.goBack()
          })
        }
      }
    },
    /** 驳回任务 */
    handleRefuse() {
      this.refuseOpen = true
      this.refuseTitle = '拒绝流程'
    },
    /** 驳回任务 */
    handleReject() {
      this.rejectOpen = true
      this.rejectTitle = '驳回流程'
    },
    /** 驳回任务 */
    taskReject() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          rejectTask(this.taskForm).then(res => {
            this.$message.success(res.msg)
            this.goBack()
          })
        }
      })
    },
    /** 拒绝任务 */
    taskRefuse() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          refuseTask(this.taskForm).then(res => {
            this.$message.success(res.msg)
            this.goBack()
          })
        }
      })
    },
    /** 可退回任务列表 */
    handleReturn() {
      this.returnOpen = true
      this.returnTitle = '退回流程'
      returnList(this.taskForm).then(res => {
        this.returnTaskList = res.data
        this.taskForm.values = null
      })
    },
    /** 提交退回任务 */
    taskReturn() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          returnTask(this.taskForm).then(res => {
            this.$message.success(res.msg)
            this.goBack()
          })
        }
      })
    },
    /** 取消回退任务按钮 */
    cancelTask() {
      this.taskForm.returnTaskShow = false
      this.taskForm.defaultTaskShow = true
      this.taskForm.sendUserShow = true
      this.returnTaskList = []
    },
    /** 委派任务 */
    submitDeleteTask() {
      this.$refs['taskForm'].validate(valid => {
        if (valid) {
          delegate(this.taskForm).then(response => {
            this.$message.success(response.msg)
            this.goBack()
          })
        }
      })
    },
    /** 取消回退任务按钮 */
    cancelDelegateTask() {
      this.taskForm.delegateTaskShow = false
      this.taskForm.defaultTaskShow = true
      this.taskForm.sendUserShow = true
      this.returnTaskList = []
    }
  }
}
</script>
<style lang="scss" scoped>
.test-form {
  margin: 15px auto;
  width: 800px;
  padding: 15px;
}

.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}
.clearfix:after {
  clear: both
}

.box-card {
  width: 100%;
  margin-bottom: 20px;
}

.el-tag + .el-tag {
  margin-left: 10px;
}
</style>
